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"Grassy" Spike Rush (Eleocharis acicularis) aka "Thread Grass" or "Sterile Thread-Like Leaf"

  • Writer: Don Yurewicz
    Don Yurewicz
  • Feb 20, 2020
  • 1 min read

Updated: Feb 26, 2021


"Grassy spike rush" is a submerged, thread-like, sterile version of the emergent spike rush plant. It is common in shallow portions of the lake and often forms large areas of “grassy” bottom growth, with stems reaching lengths of 1-2 feet. Identification by Amy Smagula. Photos by Bill Petry and Don Yurewicz

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